Guides
Short answers to the questions people ask before a delivery, each one worked out from the same public data as the price pages.
When is propane cheapest?
Which month of the heating season had the lowest prices, in every surveyed state.
When is heating oil cheapest?
Ten seasons of weekly prices, month by month.
Propane tank sizes, explained
What each size holds at 80%, what it costs to fill and how long it lasts.
How much fuel does a house use?
Gallons and therms per winter for a typical house in every state.
Kerosene vs heating oil
Heat per gallon, cold-weather behavior, and how to compare quotes.